diff options
Diffstat (limited to 'git-rebase.sh')
| -rwxr-xr-x | git-rebase.sh | 304 |
1 files changed, 209 insertions, 95 deletions
diff --git a/git-rebase.sh b/git-rebase.sh index 00ca7b99fe..af7ba5fd90 100755 --- a/git-rebase.sh +++ b/git-rebase.sh @@ -3,46 +3,27 @@ # Copyright (c) 2005 Junio C Hamano. # -USAGE='[--interactive | -i] [-v] [--force-rebase | -f] [--no-ff] [--onto <newbase>] [<upstream>|--root] [<branch>] [--quiet | -q]' -LONG_USAGE='git-rebase replaces <branch> with a new branch of the -same name. When the --onto option is provided the new branch starts -out with a HEAD equal to <newbase>, otherwise it is equal to <upstream> -It then attempts to create a new commit for each commit from the original -<branch> that does not exist in the <upstream> branch. - -It is possible that a merge failure will prevent this process from being -completely automatic. You will have to resolve any such merge failure -and run git rebase --continue. Another option is to bypass the commit -that caused the merge failure with git rebase --skip. To check out the -original <branch> and remove the .git/rebase-apply working files, use the -command git rebase --abort instead. - -Note that if <branch> is not specified on the command line, the -currently checked out branch is used. - -Example: git-rebase master~1 topic - - A---B---C topic A'\''--B'\''--C'\'' topic - / --> / - D---E---F---G master D---E---F---G master -' - SUBDIRECTORY_OK=Yes OPTIONS_KEEPDASHDASH= +OPTIONS_STUCKLONG=t OPTIONS_SPEC="\ -git rebase [-i] [options] [--onto <newbase>] [<upstream>] [<branch>] -git rebase [-i] [options] --onto <newbase> --root [<branch>] -git-rebase [-i] --continue | --abort | --skip +git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] [<upstream>] [<branch>] +git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] --root [<branch>] +git-rebase --continue | --abort | --skip | --edit-todo -- Available options are v,verbose! display a diffstat of what changed upstream q,quiet! be quiet. implies --no-stat +autostash automatically stash/stash pop before and after +fork-point use 'merge-base --fork-point' to refine upstream onto=! rebase onto given branch instead of upstream p,preserve-merges! try to recreate merges instead of ignoring them s,strategy=! use the given merge strategy no-ff! cherry-pick all commits, even if unchanged m,merge! use merging strategies to rebase i,interactive! let the user edit the list of commits to rebase +x,exec=! add exec lines after each commit of the editable list +k,keep-empty preserve empty commits during rebase f,force-rebase! force rebase even if branch is up to date X,strategy-option=! pass the argument through to the merge strategy stat! display a diffstat of what changed upstream @@ -56,12 +37,15 @@ ignore-date! passed to 'git am' whitespace=! passed to 'git apply' ignore-whitespace! passed to 'git apply' C=! passed to 'git apply' +S,gpg-sign? GPG-sign commits Actions: continue! continue abort! abort and check out the original branch skip! skip current patch and continue +edit-todo! edit the todo list during an interactive rebase " . git-sh-setup +. git-sh-i18n set_reflog_action rebase require_work_tree_exists cd_to_toplevel @@ -70,11 +54,13 @@ LF=' ' ok_to_skip_pre_rebase= resolvemsg=" -When you have resolved this problem run \"git rebase --continue\". -If you would prefer to skip this patch, instead run \"git rebase --skip\". -To check out the original branch and stop rebasing run \"git rebase --abort\". +$(gettext 'When you have resolved this problem, run "git rebase --continue". +If you prefer to skip this patch, run "git rebase --skip" instead. +To check out the original branch and stop rebasing, run "git rebase --abort".') " unset onto +unset restrict_revision +cmd= strategy= strategy_opts= do_merge= @@ -83,6 +69,8 @@ apply_dir="$GIT_DIR"/rebase-apply verbose= diffstat= test "$(git config --bool rebase.stat)" = true && diffstat=t +autostash="$(git config --bool rebase.autostash || echo false)" +fork_point=auto git_am_opt= rebase_root= force_rebase= @@ -97,9 +85,13 @@ state_dir= action= preserve_merges= autosquash= +keep_empty= test "$(git config --bool rebase.autosquash)" = "true" && autosquash=t +gpg_sign_opt= read_basic_state () { + test -f "$state_dir/head-name" && + test -f "$state_dir/onto" && head_name=$(cat "$state_dir"/head-name) && onto=$(cat "$state_dir"/onto) && # We always write to orig-head, but interactive rebase used to write to @@ -118,6 +110,8 @@ read_basic_state () { strategy_opts="$(cat "$state_dir"/strategy_opts)" test -f "$state_dir"/allow_rerere_autoupdate && allow_rerere_autoupdate="$(cat "$state_dir"/allow_rerere_autoupdate)" + test -f "$state_dir"/gpg_sign_opt && + gpg_sign_opt="$(cat "$state_dir"/gpg_sign_opt)" } write_basic_state () { @@ -131,6 +125,7 @@ write_basic_state () { "$state_dir"/strategy_opts test -n "$allow_rerere_autoupdate" && echo "$allow_rerere_autoupdate" > \ "$state_dir"/allow_rerere_autoupdate + test -n "$gpg_sign_opt" && echo "$gpg_sign_opt" > "$state_dir"/gpg_sign_opt } output () { @@ -156,30 +151,66 @@ move_to_original_branch () { git symbolic-ref \ -m "rebase finished: returning to $head_name" \ HEAD $head_name || - die "Could not move back to $head_name" + die "$(gettext "Could not move back to $head_name")" ;; esac } +apply_autostash () { + if test -f "$state_dir/autostash" + then + stash_sha1=$(cat "$state_dir/autostash") + if git stash apply $stash_sha1 2>&1 >/dev/null + then + echo "$(gettext 'Applied autostash.')" + else + git stash store -m "autostash" -q $stash_sha1 || + die "$(eval_gettext "Cannot store \$stash_sha1")" + gettext 'Applying autostash resulted in conflicts. +Your changes are safe in the stash. +You can run "git stash pop" or "git stash drop" at any time. +' + fi + fi +} + +finish_rebase () { + apply_autostash && + git gc --auto && + rm -rf "$state_dir" +} + run_specific_rebase () { if [ "$interactive_rebase" = implied ]; then GIT_EDITOR=: export GIT_EDITOR + autosquash= fi . git-rebase--$type + ret=$? + if test $ret -eq 0 + then + finish_rebase + elif test $ret -eq 2 # special exit status for rebase -i + then + apply_autostash && + rm -rf "$state_dir" && + die "Nothing to do" + fi + exit $ret } run_pre_rebase_hook () { if test -z "$ok_to_skip_pre_rebase" && - test -x "$GIT_DIR/hooks/pre-rebase" + test -x "$(git rev-parse --git-path hooks/pre-rebase)" then - "$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || - die "The pre-rebase hook refused to rebase." + "$(git rev-parse --git-path hooks/pre-rebase)" ${1+"$@"} || + die "$(gettext "The pre-rebase hook refused to rebase.")" fi } test -f "$apply_dir"/applying && - die 'It looks like git-am is in progress. Cannot rebase.' + die "$(gettext "It looks like git-am is in progress. Cannot rebase.")" if test -d "$apply_dir" then @@ -208,19 +239,23 @@ do --verify) ok_to_skip_pre_rebase= ;; - --continue|--skip|--abort) + --continue|--skip|--abort|--edit-todo) test $total_argc -eq 2 || usage action=${1##--} ;; - --onto) - test 2 -le "$#" || usage - onto="$2" - shift + --onto=*) + onto="${1#--onto=}" + ;; + --exec=*) + cmd="${cmd}exec ${1#--exec=}${LF}" ;; - -i) + --interactive) interactive_rebase=explicit ;; - -p) + --keep-empty) + keep_empty=yes + ;; + --preserve-merges) preserve_merges=t test -z "$interactive_rebase" && interactive_rebase=implied ;; @@ -230,41 +265,50 @@ do --no-autosquash) autosquash= ;; - -M|-m) + --fork-point) + fork_point=t + ;; + --no-fork-point) + fork_point= + ;; + --merge) do_merge=t ;; - -X) - shift - strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--$1")" + --strategy-option=*) + strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--${1#--strategy-option=}")" do_merge=t test -z "$strategy" && strategy=recursive ;; - -s) - shift - strategy="$1" + --strategy=*) + strategy="${1#--strategy=}" do_merge=t ;; - -n) + --no-stat) diffstat= ;; --stat) diffstat=t ;; - -v) + --autostash) + autostash=true + ;; + --no-autostash) + autostash=false + ;; + --verbose) verbose=t diffstat=t GIT_QUIET= ;; - -q) + --quiet) GIT_QUIET=t git_am_opt="$git_am_opt -q" verbose= diffstat= ;; - --whitespace) - shift - git_am_opt="$git_am_opt --whitespace=$1" - case "$1" in + --whitespace=*) + git_am_opt="$git_am_opt --whitespace=${1#--whitespace=}" + case "${1#--whitespace=}" in fix|strip) force_rebase=t ;; @@ -277,19 +321,24 @@ do git_am_opt="$git_am_opt $1" force_rebase=t ;; - -C) - shift - git_am_opt="$git_am_opt -C$1" + -C*) + git_am_opt="$git_am_opt $1" ;; --root) rebase_root=t ;; - -f|--no-ff) + --force-rebase|--no-ff) force_rebase=t ;; --rerere-autoupdate|--no-rerere-autoupdate) allow_rerere_autoupdate="$1" ;; + --gpg-sign) + gpg_sign_opt=-S + ;; + --gpg-sign=*) + gpg_sign_opt="-S${1#--gpg-sign=}" + ;; --) shift break @@ -299,9 +348,15 @@ do done test $# -gt 2 && usage +if test -n "$cmd" && + test "$interactive_rebase" != explicit +then + die "$(gettext "The --exec option must be used with the --interactive option")" +fi + if test -n "$action" then - test -z "$in_progress" && die "No rebase in progress?" + test -z "$in_progress" && die "$(gettext "No rebase in progress?")" # Only interactive rebase uses detailed reflog messages if test "$type" = interactive && test "$GIT_REFLOG_ACTION" = rebase then @@ -310,15 +365,20 @@ then fi fi +if test "$action" = "edit-todo" && test "$type" != "interactive" +then + die "$(gettext "The --edit-todo action can only be used during interactive rebase.")" +fi + case "$action" in continue) # Sanity check git rev-parse --verify HEAD >/dev/null || - die "Cannot read HEAD" + die "$(gettext "Cannot read HEAD")" git update-index --ignore-submodules --refresh && git diff-files --quiet --ignore-submodules || { - echo "You must edit all merge conflicts and then" - echo "mark them as resolved using git add" + echo "$(gettext "You must edit all merge conflicts and then +mark them as resolved using git add")" exit 1 } read_basic_state @@ -335,27 +395,38 @@ abort) case "$head_name" in refs/*) git symbolic-ref -m "rebase: aborting" HEAD $head_name || - die "Could not move back to $head_name" + die "$(eval_gettext "Could not move back to \$head_name")" ;; esac output git reset --hard $orig_head - rm -r "$state_dir" + finish_rebase exit ;; +edit-todo) + run_specific_rebase + ;; esac # Make sure no rebase is in progress if test -n "$in_progress" then - die ' -It seems that there is already a '"${state_dir##*/}"' directory, and + state_dir_base=${state_dir##*/} + cmd_live_rebase="git rebase (--continue | --abort | --skip)" + cmd_clear_stale_rebase="rm -fr \"$state_dir\"" + die " +$(eval_gettext 'It seems that there is already a $state_dir_base directory, and I wonder if you are in the middle of another rebase. If that is the case, please try - git rebase (--continue | --abort | --skip) + $cmd_live_rebase If that is not the case, please - rm -fr '"$state_dir"' + $cmd_clear_stale_rebase and run me again. I am stopping in case you still have something -valuable there.' +valuable there.')" +fi + +if test -n "$rebase_root" && test -z "$onto" +then + test -z "$interactive_rebase" && interactive_rebase=implied fi if test -n "$interactive_rebase" @@ -380,20 +451,32 @@ then then . git-parse-remote error_on_missing_default_upstream "rebase" "rebase" \ - "against" "git rebase <upstream branch>" + "against" "git rebase <branch>" fi + + test "$fork_point" = auto && fork_point=t ;; *) upstream_name="$1" + if test "$upstream_name" = "-" + then + upstream_name="@{-1}" + fi shift ;; esac - upstream=`git rev-parse --verify "${upstream_name}^0"` || - die "invalid upstream $upstream_name" + upstream=$(peel_committish "${upstream_name}") || + die "$(eval_gettext "invalid upstream \$upstream_name")" upstream_arg="$upstream_name" else - test -z "$onto" && die "You must specify --onto when using --root" + if test -z "$onto" + then + empty_tree=$(git hash-object -t tree /dev/null) + onto=$(git commit-tree $empty_tree </dev/null) + squash_onto="$onto" + fi unset upstream_name unset upstream + test $# -gt 1 && usage upstream_arg=--root fi @@ -406,19 +489,19 @@ case "$onto_name" in then case "$onto" in ?*"$LF"?*) - die "$onto_name: there are more than one merge bases" + die "$(eval_gettext "\$onto_name: there are more than one merge bases")" ;; '') - die "$onto_name: there is no merge base" + die "$(eval_gettext "\$onto_name: there is no merge base")" ;; esac else - die "$onto_name: there is no merge base" + die "$(eval_gettext "\$onto_name: there is no merge base")" fi ;; *) - onto=$(git rev-parse --verify "${onto_name}^0") || - die "Does not point to a valid commit: $1" + onto=$(peel_committish "$onto_name") || + die "$(eval_gettext "Does not point to a valid commit: \$onto_name")" ;; esac @@ -441,24 +524,49 @@ case "$#" in then head_name="detached HEAD" else - die "fatal: no such branch: $1" + die "$(eval_gettext "fatal: no such branch: \$branch_name")" fi ;; -*) +0) # Do not need to switch branches, we are already on it. - if branch_name=`git symbolic-ref -q HEAD` + if branch_name=$(git symbolic-ref -q HEAD) then head_name=$branch_name - branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'` + branch_name=$(expr "z$branch_name" : 'zrefs/heads/\(.*\)') else head_name="detached HEAD" branch_name=HEAD ;# detached fi - orig_head=$(git rev-parse --verify "${branch_name}^0") || exit + orig_head=$(git rev-parse --verify HEAD) || exit + ;; +*) + die "BUG: unexpected number of arguments left to parse" ;; esac -require_clean_work_tree "rebase" "Please commit or stash them." +if test "$fork_point" = t +then + new_upstream=$(git merge-base --fork-point "$upstream_name" \ + "${switch_to:-HEAD}") + if test -n "$new_upstream" + then + restrict_revision=$new_upstream + fi +fi + +if test "$autostash" = true && ! (require_clean_work_tree) 2>/dev/null +then + stash_sha1=$(git stash create "autostash") || + die "$(gettext 'Cannot autostash')" + + mkdir -p "$state_dir" && + echo $stash_sha1 >"$state_dir/autostash" && + stash_abbrev=$(git rev-parse --short $stash_sha1) && + echo "$(eval_gettext 'Created autostash: $stash_abbrev')" && + git reset --hard +fi + +require_clean_work_tree "rebase" "$(gettext "Please commit or stash them.")" # Now we are rebasing commits $upstream..$orig_head (or with --root, # everything leading up to $orig_head) on top of $onto @@ -468,18 +576,21 @@ require_clean_work_tree "rebase" "Please commit or stash them." # and if this is not an interactive rebase. mb=$(git merge-base "$onto" "$orig_head") if test "$type" != interactive && test "$upstream" = "$onto" && - test "$mb" = "$onto" && + test "$mb" = "$onto" && test -z "$restrict_revision" && # linear history? ! (git rev-list --parents "$onto".."$orig_head" | sane_grep " .* ") > /dev/null then if test -z "$force_rebase" then # Lazily switch to the target branch if needed... - test -z "$switch_to" || git checkout "$switch_to" -- - say "Current branch $branch_name is up to date." + test -z "$switch_to" || + GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to" \ + git checkout -q "$switch_to" -- + say "$(eval_gettext "Current branch \$branch_name is up to date.")" + finish_rebase exit 0 else - say "Current branch $branch_name is up to date, rebase forced." + say "$(eval_gettext "Current branch \$branch_name is up to date, rebase forced.")" fi fi @@ -490,7 +601,7 @@ if test -n "$diffstat" then if test -n "$verbose" then - echo "Changes from $mb to $onto:" + echo "$(eval_gettext "Changes from \$mb to \$onto:")" fi # We want color (if set), but no pager GIT_PAGER='' git diff --stat --summary "$mb" "$onto" @@ -499,16 +610,19 @@ fi test "$type" = interactive && run_specific_rebase # Detach HEAD and reset the tree -say "First, rewinding head to replay your work on top of it..." -git checkout -q "$onto^0" || die "could not detach HEAD" +say "$(gettext "First, rewinding head to replay your work on top of it...")" + +GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name" \ + git checkout -q "$onto^0" || die "could not detach HEAD" git update-ref ORIG_HEAD $orig_head # If the $onto is a proper descendant of the tip of the branch, then # we just fast-forwarded. if test "$mb" = "$orig_head" then - say "Fast-forwarded $branch_name to $onto_name." + say "$(eval_gettext "Fast-forwarded \$branch_name to \$onto_name.")" move_to_original_branch + finish_rebase exit 0 fi @@ -516,7 +630,7 @@ if test -n "$rebase_root" then revisions="$onto..$orig_head" else - revisions="$upstream..$orig_head" + revisions="${restrict_revision-$upstream}..$orig_head" fi run_specific_rebase |